1. Shah, J and Wilson, P ‘Analysis of knowledge abstraction, representation, and interaction requirements for computer aided engineering’ submitted to ASME Trans. (J. Kin, Pwt Trns., Automat. Des.)
2. Requirements for the support of form features in a solid modeling system;Pratt,1985
3. Current status of form features research in a solid modeling context;Pratt,1986
4. A scheme for CAD-CAPP integration;Shah,1986
5. A method for the representation and manipulation of geometric features in a solid model;Miner,1985